I am new to snorkelling and I am looking for a prescription mask... These customs lenses, are they efficient? Since the mask and lenses are sold separately, is it easy to instal and is the seal good enough so it won't let the water in?

Answer

thanks for your message, we can customize the lens for you. You can go to http://seavenger.com/dive-mask-c-25.html and in the mask section you can choose the style you like and there will be selections for prescriptions lens for you.